<script setup>
import {ref,getCurrentInstance,onMounted, reactive,nextTick} from 'vue'


const {proxy}=getCurrentInstance()

const tableData = ref([])
const getUserData=async()=>{
  let data=await proxy.$api.getUserData(config)
  tableData.value=data.list.map(item=>(
    {
      ...item,
      sex:item.sex===1?'男':'女'
    }
  ))
  config.total=data.count
}

const tableLabel=[
  {
    prop: 'name',
    label: '姓名'
  },

  {
    prop: 'age',
    label: '年龄'
  },
    {
    prop: 'sex',
    label: '性别'
  },
  {
    prop: 'birth',
    label: '生日',
    width: 200
  },

    {
    prop: 'addr',
    label: '地址',
    width: 400
  }

]

const formInline = reactive({
  keyWord: ''
})

const config = reactive(
  {
  name: '', 
  total: 0,
  page: 1
}
)
const handleSearch=()=>{
  config.name=formInline.keyWord
  getUserData()
}

const handleChange=(page)=>{
  config.page=page
  getUserData()
}
const handleDelete=(row)=>{
  ElMessageBox.confirm("确定要删除吗？").then(async() => {
    await proxy.$api.deleteUser({id:row.id}).then(()=>{
      ElMessage.success('删除成功')
      getUserData()
    })
})
}


const dialogVisible = ref(false)
const action = ref('add')
const formUser = reactive({
  sex: '1'
})
const rules ={
  name: [{ required: true, message: "姓名是必填项", trigger: "blur" }],
  age: [
    { required: true, message: "年龄是必填项", trigger: "blur" },
    { type: "number", message: "年龄必须是数字" },
  ],
  sex: [{ required: true, message: "性别是必选项", trigger: "change" }],
  birth: [{ required: true, message: "出生日期是必选项" }],
  addr:[{ required: true, message: '地址是必填项' }]
}

//对话框右上角的关闭事件
const handleClose = () => {
    //获取到表单dom，执行resetFields重置表单
    proxy.$refs["userForm"].resetFields()
    //关闭对话框
    dialogVisible.value=false
}

//对话框右下角的取消事件
const handleCancel = () => {
    proxy.$refs["userForm"].resetFields()
    dialogVisible.value=false
}

const handleAdd = () => {
  dialogVisible.value=true
  action.value='add'
}

const timeFormat = (time) => {
    var time = new Date(time);
    var year = time.getFullYear();
    var month = time.getMonth() + 1;
    var date = time.getDate();
    function add(m) {
        return m < 10 ? "0" + m : m;
    }
    return year + "-" + add(month) + "-" + add(date);
}

const onSubmit = () => {
    //执行userForm表单的validate进行规则校验，传入一个回调函数，回调函数会接受到一个是否校验通过的变量
    proxy.$refs["userForm"].validate(async (valid)=>{
        
        //如果校验成功
        if (valid) {
                //res用于接收添加用户或者编辑用户接口的返回值
                let res=null
                //这里无论是新增或者是编辑，我们都要对这个日期进行一个格式化
                //如果不是1997-01-02这种格式，使用timeFormat方法进行格式化
                formUser.birth=/^\d{4}-\d{2}-\d{2}$/.test(formUser.birth) ? formUser.birth : timeFormat(formUser.birth)
                //如果当前的操作是新增，则调用新增接口
                if (action.value == "add") {
                    res = await proxy.$api.addUser(formUser);
                }else if(action.value == "edit"){
                    res = await proxy.$api.editUser(formUser)
                }
                //如果接口调用成功
                if(res){
                        //关闭对话框，重置表单，重新请求用户数据
                        dialogVisible.value = false;
                        proxy.$refs["userForm"].resetFields()
                        getUserData()
                }

		//如果校验失败
        }else {
          ElMessage({
            showClose: true,
            message: "请输入正确的内容",
            type: "error",
          })
        }

    })
}



const handleEdit =  (val) => {
    action.value="edit"
    dialogVisible.value=true
    
    nextTick(()=>{
        //因为在第一次显示弹窗的时候form组件没有加载出来，如果直接对formUser赋值，这个值会作为form表单的初始值
        //所以使用nextTick，赋值的操作在一个微任务中，这样就可以避免在from表单加载之前赋值
       
        Object.assign(formUser,{...val,sex:""+val.sex})
        //这里需要改变sex数据类型，是因为el-option的value有类型的校验
    })
}


onMounted(()=>{
  getUserData()

})

</script>

<template>
<div class="user-header">
  <el-button type="primary" @click="handleAdd">新增</el-button>
  <el-form :inline="true" :model="formInline">
    <el-form-item label="请输入内容">
      <el-input placeholder="用户名" v-model="formInline.keyWord"></el-input>
    </el-form-item>
    <el-form-item>
        <el-button type="primary" @click="handleSearch">搜索</el-button>
    </el-form-item>
  </el-form>
</div>
<div class="table">
  <el-table :data="tableData" style="width: 100%">
    <el-table-column v-for="item in tableLabel" :key="item.prop" :label="item.label" :width="item.width ? item.width:125">
      <template #default="scope">
        {{scope.row[item.prop]}}
      </template>
    </el-table-column>

    <el-table-column fixed="right" label="操作" min-width="120">
      <template #default="scope">
        <el-button  type="primary" size="small" @click="handleEdit(scope.row)">
          编辑
        </el-button>
        <el-button  type="danger" size="small" @click="handleDelete(scope.row)">删除</el-button>
      </template>
    </el-table-column>
  </el-table>
  <el-pagination
  class="pager" 
    background 
    layout="prev, pager, next" 
    size="small"
    :total="config.total" 
    @current-change="handleChange"
    />
</div>
<el-dialog
    v-model="dialogVisible"
    :title="action == 'add' ? '新增用户' : '编辑用户'"
    width="35%"
    :before-close="handleClose"
  >
       <!--需要注意的是设置了:inline="true"，
		会对el-select的样式造成影响，我们通过给他设置一个class=select-clearn
		在css进行处理-->
    <el-form :inline="true"  :model="formUser" :rules="rules" ref="userForm">
      <el-row>
        <el-col :span="12">
          <el-form-item label="姓名" prop="name">
            <el-input v-model="formUser.name" placeholder="请输入姓名" />
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄" prop="age">
            <el-input v-model.number="formUser.age" placeholder="请输入年龄" />
          </el-form-item>
        </el-col>
      </el-row>
      <el-row>
        <el-col :span="12">
          <el-form-item class="select-clearn" label="性别" prop="sex">
            <el-select  v-model="formUser.sex" placeholder="请选择">
              <el-option label="男" value="1" />
              <el-option label="女" value="0" />
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="出生日期" prop="birth">
            <el-date-picker
              v-model="formUser.birth"
              type="date"
              placeholder="请输入"
              style="width: 100%"
            />
          </el-form-item>
        </el-col>
      </el-row>
      <el-row>
        <el-form-item
          label="地址"
          prop="addr"
        >
          <el-input v-model="formUser.addr" placeholder="请输入地址" />
        </el-form-item>
      </el-row>
      <el-row style="justify-content: flex-end">
        <el-form-item>
          <el-button type="primary" @click="handleCancel">取消</el-button>
          <el-button type="primary" @click="onSubmit">确定</el-button>
        </el-form-item>
      </el-row>
    </el-form>
</el-dialog>
</template>

<style scoped lang="less">
.user-header{
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.table{
  position: relative;
  height: 520px;
  .pager{
    position: absolute;
    right: 10px;
    bottom: 30px;
  }
  .el-table{
    width: 100%;
    height: 500px;
  }
}
.select-clearn{
  display: flex; 
}
</style>

